HEIDENHAIN TNC 320 User Manual page 573

Block scan in a point table
If you start in a point table called by the main program, use the
ADVANCED soft key.
Press the BLOCK SCAN soft key
The control shows a pop-up window.
Press the ADVANCED soft key
The control expands the pop-up window.
Point number = enter the line number of the point
table you start with
Point file = Enter the name and path of the point
table
Press the SELECT LAST BLOCK soft key if required
to select the last saved interruption
Press the NC START key
Returning to the contour
With the RESTORE POSITION function, the TNC moves the tool to
the workpiece contour in the following situations:
Return to the contour after the machine axes were moved
during a program interruption that was not performed with the
INTERNAL STOP function.
Return to the contour with a block scan with RESTORE POS AT
N, for example after an interruption with INTERNAL STOP
Depending on the machine, if the position of an axis has
changed after the control loop has been opened during a
program interruption
Procedure
To move to the contour, proceed as follows:
Press the RESTORE POSITION soft key
Restore the machine status, if required
Approach the axes in the sequence shown by the control:
Press the NC START key
Approach the axes according to individually selected sequence:
Press the SELECT AXIS soft key
Press the axis soft key of the first axis
Press the NC START key
Press the axis soft key of the second axis
Press the NC START key
Repeat the process for all axes
HEIDENHAIN | TNC 320 | Conversational Programming User's Manual | 9/2016
Program run 15.5
573
15